# SDR ASAA2015121014217

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2015
- Submitted: December 14, 2015
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 34,439 hours, 10,298 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Warning Message
- Condition: False Activation
- Stage of operation: IN
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015121014217

## Discrepancy

WHILE ACCOMPLISHING T/C 78273000, FOUND FAULT CODE 73-31371, UPPER EGT SECTORS READING HIGH FOR NR 1 ENGINE,  ACFT GROUNDED.   ACCOMPLISHED FIM 73-11, TASK 801 AND THE MAINTENANCE MESSAGE IS NO LONGER ACTIVE IN CURRENT FAULTS OR FAULT HISTORY LAST TEN FLIGHT LEGS.

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